ロベルヴァルの秤
1. Roberval BalanceThe Roberval Balance is a weighing scale presented to the French Academy of Sciences by the French mathematician Gilles Personne de Roberval in 1669. In this scale, two identical horizontal beams are attached, one directly above the other, to a vertical column, which is attached to a stable base. On each side, both horizontal beams are attached to a vertical beam. The six attachment points are pivots.
Read “Roberval Balance” on English Wikipedia
Read “ロベルヴァルの秤” on Japanese Wikipedia
Read “Roberval Balance” on DBpedia
Read “Roberval Balance” on English Wikipedia
Read “ロベルヴァルの秤” on Japanese Wikipedia
Read “Roberval Balance” on DBpedia
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